SUMANNA SANKARAN M.D.
NPI 1497198717
Anesthesiology in Ann Arbor, MI
About Sumanna Sankaran M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SUMANNA SANKARAN M.D. (NPI 1497198717) is an individual anesthesiology provider in Ann Arbor, Michigan, licensed in Michigan (4301102016) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS, is affiliated with Ascension St John Hospital, and is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Sumanna Sankaran M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Sumanna Sankaran reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Detroit, MI 48236
- Reassigned Medicare billing, Michigan enrollment
- 27 clinicians in this Medicare group
Lansing, MI 48912
- Reassigned Medicare billing, Michigan enrollment
- 265 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension St John Hospital
Acute Care Hospitals · Detroit, MIEdward W Sparrow Hospital
Acute Care Hospitals · Lansing, MIOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Sumanna Sankaran's NPI number?
The NPI number for Sumanna Sankaran is 1497198717. It was assigned to this individual provider in the NPPES registry on April 17, 2013.
Where is Sumanna Sankaran located?
Sumanna Sankaran practices at 1500 East Medical Center Drive 1h247 University Hospital, Ann Arbor, MI 48109. The listed phone number is (734) 936-4280.
What is Sumanna Sankaran's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Sumanna Sankaran enrolled in Medicare?
Yes. Sumanna Sankaran is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Sumanna Sankaran's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sumanna Sankaran reassigns Medicare benefits to 2 organizations: St John Anesthesiologists, PC (Detroit, MI) and Edward W Sparrow Hospital Association (Lansing, MI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sumanna Sankaran's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sumanna Sankaran accept?
Health plans from Blue Cross Blue Shield of Michigan Mutual Insurance Company list Sumanna Sankaran as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Sumanna Sankaran affiliated with any hospitals?
According to CMS data, Sumanna Sankaran is affiliated with Ascension St John Hospital and Edward W Sparrow Hospital.
When was this NPI record last updated?
The NPPES record for Sumanna Sankaran was last updated on April 17, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Sumanna Sankaran, M.D. · NPI 1497198717
Anesthesiology physician in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since April 17, 2013.
## Identity
- **NPI:** 1497198717 (Entity type: Individual)
- **Enumerated:** April 17, 2013
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 4301102016 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 EAST MEDICAL CENTER DRIVE, 1H247 UNIVERSITY HOSPITAL, Ann Arbor, MI 48109-5048
- **Phone:** (734) 936-4280 · **Fax:** (734) 936-9091
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): St John Anesthesiologists, PC (NPI 1790720134, Detroit, MI); Edward W Sparrow Hospital Association (NPI 1568867190, Lansing, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** April 17, 2013
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Source: [NPI Profile](https://npiprofile.com/npi/1497198717) · Data from the CMS NPPES public registry.